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execInfo: information about the template being processed.
messages: methods for obtaining externalized messages inside variables expressions, in the same way as they would be obtained using #{…} syntax.
uris: methods for escaping parts of URLs/URIs
conversions: methods for executing the configured conversion service (if any).
dates: methods for java.util.Date objects: formatting, component extraction, etc.
calendars: analogous to #dates, but for java.util.Calendar objects.
numbers: methods for formatting numeric objects.
strings: methods for String objects: contains, startsWith, prepending/appending, etc.
objects: methods for objects in general.
bools: methods for boolean evaluation.
arrays: methods for arrays.
lists: methods for lists.
sets: methods for sets.
maps: methods for maps.
aggregates: methods for creating aggregates on arrays or collections.
ids: methods for dealing with id attributes that might be repeated (for example, as a result of an iteration).作者：codergege
链接：https://www.jianshu.com/p/a7056b023df0
来源：简书
简书著作权归作者所有，任何形式的转载都请联系作者获得授权并注明出处。

作者：codergege
链接：https://www.jianshu.com/p/a7056b023df0
来源：简书
简书著作权归作者所有，任何形式的转载都请联系作者获得授权并注明出处。

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